ucar.nc2.ft.point.standard
Interface Join

All Known Implementing Classes:

JoinArray, JoinMuiltdimStructure, JoinParentIndex

public interface Join

An abstract way to 'join' more cols to a row

Method Summary

VariableDS	findVariable(String varName) Find the Variable of the given name in the joined table.
StructureData	getJoinData(Cursor cursor) Get 'join' data to be added to the row.

Method Detail

getJoinData

StructureData getJoinData(Cursor cursor)
                          throws IOException

Get 'join' data to be added to the row.

Parameters:

cursor - the state of the iteration

Returns:

extra data to be added to the row

Throws:

IOException - on read error

findVariable

VariableDS findVariable(String varName)

Find the Variable of the given name in the joined table.

Parameters:

varName - find this Variable

Returns:

the named Variable, or null